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Cheapest flights to Seoul
Explore the most affordable flight options available to Seoul. Find the lowest fares based on data from user searches, with prices last updated on 30 October 2026.

Thu 19/1101:00 -

Nonstop5h 25m

Sun 29/1119:30 -

Nonstop6h 20m

Deal found 28/10฿9,274

Thu 19/1101:00 -

Nonstop5h 25m

Sun 29/1119:50 -

Nonstop6h 20m

Deal found 28/10฿9,847

Thu 19/1101:00 -

Nonstop5h 25m

Mon 30/1119:50 -

Nonstop6h 20m

Deal found 29/10฿9,982

Thu 19/1101:30 -

Nonstop5h 30m

Sun 29/1119:50 -

Nonstop6h 20m

Deal found 30/10฿10,050

Wed 18/1102:40 -

Nonstop5h 20m

Sat 28/1119:50 -

Nonstop6h 20m

Deal found 25/10฿10,117

Thu 19/1101:00 -

Nonstop5h 25m

Sat 28/1119:50 -

Nonstop6h 20m

Deal found 27/10฿10,185

Wed 18/1102:40 -

Nonstop5h 20m

Sat 28/1112:10 -

Nonstop6h 10m

Deal found 27/10฿10,353

Wed 18/1102:40 -

Nonstop5h 20m

Fri 27/1117:15 -

Nonstop6h 10m

Deal found 26/10฿10,421

Best time to book a flight to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul with our price prediction graph.

TH1-SEL

BKK-ICN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Fly from

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Fri 6/11

02:40-10:00

Nonstop5h 20m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿5,834

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Thu 11/3

22:55-06:15

Nonstop5h 20m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿6,441

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Thu 15/4

22:45-06:15

Nonstop5h 30m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿6,509

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Mon 9/11

22:55-06:15

Nonstop5h 20m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿6,778

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Tue 15/12

22:25-06:20

Nonstop5h 55m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿6,846

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Thu 4/2

22:55-06:15

Nonstop5h 20m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿7,015

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Thu 7/1

01:00-08:25

Nonstop5h 25m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿7,183

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Sat 14/11

01:00-08:25

Nonstop5h 25m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿7,217

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Fri 27/11

01:00-08:25

Nonstop5h 25m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿7,217

BangkokIncheon

BKK Bangkok Suvarnabhumi - ICN Incheon Intl

BKKICN

Bangkok Suvarnabhumi

Mon 1/2

01:00-08:25

Nonstop5h 25m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿7,453

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 22 resultsSorted by cheapest first

1

2

3

Reviews of airlines flying non-stop to Seoul

Check out reviews from past customers who have flown Korean Air,AIR PREMIA, andThai Airways to South Korea to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

8.4

Very Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

AIR PREMIA

8.0

Very Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

7.9

Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Thai Vietjet Air

6.7

Okay

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

FAQ about direct flights to Seoul

How much are direct flights to Seoul?
On average, a one-way direct flight to Seoul will cost users approximately ฿17,059. If you're looking for a direct return flight to Seoul, you can expect to pay around ฿16,110.
Which airlines fly direct to Seoul?
At the moment, Thai AirAsia X, Thai Vietjet Air, Korean Air, AIR PREMIA, Thai Airways, Asiana Airlines, Trinity Airways (Formerly T'way Air), Eastar Jet, Thai Lion Air, Thai AirAsia offer direct flights to Seoul. Thai AirAsia X is currently the most popular airline that flies direct to Seoul.
What is the best time of year to fly direct to Seoul?
If you're seeking the lowest price on a direct flight to Seoul, February is worth consideration, as prices are usually at their lowest, on average. January may be most appealing to users looking for the quietest time to visit Seoul, when demand is typically at its lowest.
What is the most popular direct flight origin to Seoul?
Currently, the most popular direct flight origin to Seoul is Bangkok Suvarnabhumi Airport. A return direct flight from Bangkok Suvarnabhumi Airport to Seoul typically costs around ฿15,432.

See more FAQs

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